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- Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 数字波束形成(DBF)技术是现代雷达和通信领域的研究热点。
- With the development of signal processing technology, Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 随着信号处理技术的发展,数字波束形成(DBF)技术在现代雷达和通信系统中的应用越来越广泛。 它利用数字信号处理的方法形成多个独立的波束。
- A high performance digital beam forming (DBF) processor is designed and implemented by using ADSP-TS201S. 采用ADI公司的TigerSHARC系列第二代超高性能DSP芯片ADSP-TS201S设计制作了一个高性能的数字波束形成(DigitalBeamForming,DBF)处理器。
- Digital beam forming (DBF) is a soaring technology in muti-subjects area in last twenty years. 数字波束形成技术是近二十年来发展起来的多学科交叉的新兴技术。
- This article introduces many kinds of ultrasonic transducers, transducer focus, and digital beam forming technology. 概述了各种超声医学成像换能器现状,以及换能器聚焦和数字波束成像技术。
- A new digital beam forming (DBF) method is proposed. It combines the parallel delay LMS (PDLMS) algorithm and the field programmable gate array (FPGA). 采用高并行度的并行延时最小均方 (PDLMS)算法 ,用现场可编程门阵列 (FPGA)实现自适应数字波束形成模块。
- The affection of quantization error for SNR in digital beam forming (DBF) is analyzed on the perfect and normal conditions respectively. 摘要文章针对理想和非理想的不同条件,从理论上分析了量化误差对于数字波束合成(DBF)中输出信噪比SNR的影响。
- Furthermore,this paper discusses how to optimize the beam position by using the technology of Digital Beam Forming(DBF) in order to save time for scanning. 为了进一步节省扫描时间,还对如何利用数字波束形成( D B F) 技术实现优化进行了探讨。
- Then the neighbors forward the received data to the sink as virtual antenna by using the beam forming technique,which enhances the power of the received signal,and accordingly improves the capacity of wireless sensor networks. 由数据源节点将信息发送给尽可能多的周围邻居节点,然后这些邻居节点充当波束成形技术中的虚天线将收到的包转发给接收节点,以此增大接收节点所接收到的信号功率,从而提高无线传感器网络的容量。
- Two examples of application are also introduced. One is used for Digital Beam Forming(DBF) processor; another is for linear frequency modulation pulse compression. 文中还分别介绍了如何利用该模块构成一个4波束的数字波束形成处理器,和一个可以同时对4个波束的回波信号进行线性调频信号脉冲压缩的实时雷达信号处理器。
- This paper adopts adaptive digital beam forming(ADBF) method to reduce the influence of multi-path effects when the phased array radar detects the small skimming targets. 利用自适应数字波束形成法来降低相控阵雷达在探测低空掠海飞行小目标时多路径效应的影响。
- In the design process of digital beam forming (DBF) system, all kinds of modern electronic develop tools should be used in order to make the system operates in real time. 摘要数字波束合成(DBF)数据基带系统设计中,为了实现实时数据传输和处理功能,需要合理利用各种现代电子开发工具。
- Unbalance of amplitude phase in radar receiving channels and mismatch of frequency characteristic within channel band may affect the sidelobc level and output signal-to-noise(SN)ratio of digital beam forming(DBF)seriously. 雷达接收通道间的幅相不一致与通道带内频率特性失配对DBF(数字波束形成)的副瓣电平及输出信噪比有很大影响。
- The fundamental principle of digital beam forming(DBF)is introduced briefly. The modeling and simulation of DBF system based on System Generator(SG)are carried out and the simulation result is given. 简要介绍数字波束形成的基本原理,在此基础上,利用System Gcnerator(SG)进行数字波束形成系统的建模和仿真,并给出仿真结果。
- Greater capabilities than the common antenna can be achieved by using the technology of digital beam forming(DBF) because of flexibility in digital signal processing,providing a new approach to the problem of phase ambiguity. 数字波束形成技术由于数字处理的灵活性;可获得超出普通天线的性能;也为解模糊问题提供了一个新思路.
- adaptive digital beam forming(ADBF) 自适应数字波束形成
- Sub array adaptive digital beam forming 子阵自适应波束形成
- Intelligent Antenna and Adaptive Digital Beam Forming Technology 智能天线与自适应数字波束形成技术
- Digital Beam Forming for Smart Antenna Based on FPGA 基于FPGA的智能天线数字波束形成设计
- It also describes the development of heat roller bend forming technique abroad. 还就因外加热辊弯成型技术的发展作了评述。